package com.grace.beans;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.Set;

@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class Mail {
    //邮件主题
    private String subject;

    //邮件信息
    private String message;


    private Set<String> receivers; //可能是多个用Set


}
